Quotes from Incognito: The Secret Lives of the Brain

“Instead of reality being passively recorded by the brain, it is actively constructed by it.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“We believe we're seeing the world just fine until it's called to our attention that we're not.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“There is a looming chasm between what your brain knows and what your mind is capable of accessing.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“You´re not perceiving what's out there. You're perceiving whatever your brain tells you.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“Evolve solutions; when you find a good one, don't stop.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“If an epileptic seizure is focused in a particular sweet spot in the temporal lobe, a person won´t have motor seizures, but instead something more subtle. The effect is something like a cognitive seizure, marked by changes of personality, hyperreligiosity (an obsession with religion and feelings of religious certainity), hypergraphia (extensive writing on a subject, usually about religion), the false sense of an external presence, and, often, the hearing voices that are attributed to a god. Some fraction of history´s prophets, martyrs, and leaders appear to have had temporal lobe epilepsy.

When the brain activity is kindled in the right spot, people hear voices. If a physician prescribes an anti-epileptic medication, the seizures go away and the voices disappear. Our reality depends on what our biology is up to.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“A mere 400 years after our fall from the center of the universe, we have experienced the fall from the center of ourselves.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“So the first lesson about trusting your senses is: don’t. Just because you believe something to be true, just because you know it’s true, that doesn’t mean it is true.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“Our reality depends on what our biology is up to.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“who you are depends on the sum total of your neurobiology.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“If our brains were simple enough to be understood, we wouldn’t be smart enough to understand them.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“Societies would _not_ be better off if everyone were like Mr Spock, all rationality and no emotion. Instead, a balance - a teaming up of the internal rivals - is optimal for brains. ... Some balance of the emotional and rational systems is needed, and that balance may already be optimized by natural selection in human brains.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“One of the most pervasive mistakes is to believe that our visual system gives a faithful representation of what is “out there” in the same way that a movie camera would.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“.. we are not conscious of most things until we ask ourselves questions about them”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“If you ever feel lazy or dull, take heart: you’re the busiest, brightest thing on the planet.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“Brains are like representative democracies. They are built of multiple, overlapping experts who weigh in and compete over different choices. As Walt Whitman correctly surmised, we are large and we harbor multitudes within us. And those multitudes are locked in chronic battle.
There is an ongoing conversation among the different factions in your brain, each competing to control the single output channel of your behavior. As a result, you can accomplish the strange feats of arguing with yourself, cursing at yourself, and cajoling yourself to do something – feats that modern computers simply do not do.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“seeing has very little to do with your eyes.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“As Carl Jung put it, “In each of us there is another whom we do not know.” As Pink Floyd sang, “There’s someone in my head, but it’s not me.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“Another real-world manifestation of implicit memory is known as the illusion-of-truth effect: you are more likely to believe that a statement is true if you have heard it before – whether or not it is actually true. In one study, subjects rated the validity of plausible sentences every two weeks. Without letting on, the experimenters snuck in some repeat sentences (both true and false ones) across the testing sessions. And they found a clear result: if subjects had heard a sentence in previous weeks, they were more likely to now rate it as true, even if they swore they had never heard it before. This is the case even when the experimenter tells the subjects that the sentences they are about to hear are false: despite this, mere exposure to an idea is enough to boost its believability upon later contact. The illusion-of-truth effect highlights the potential danger for people who are repeatedly exposed to the same religious edicts or political slogans.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“Keep in mind that every single generation before us has worked under the assumption that they possessed all the major tools for understanding the universe, and they were all wrong, without exception.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“Knowing yourself now requires the understanding that the conscious you occupies only a small room in the mansion of the brain, and that it has little control over the reality constructed for you.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“It is the most wondrous thing we have discovered in the universe, and it is us.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“Behavior is the outcome of the battle among internal systems.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“Just like a good drama, the human brain runs on conflict.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“Nothing is inherently tasty or repulsive—it depends on your needs. Deliciousness is simply an index of usefulness.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“The deep secret of the brain is that not only the spinal cord but the entire central nervous system works this way: internally generated activity is modulated by sensory input. In this view, the difference between being awake and being asleep is merely that the data coming in from the eyes anchors the perception. Asleep vision (dreaming) is perception that is not tied down to anything in the real world; waking perception is something like dreaming with a little more commitment to what´s in front of you. Other examples of unanchored perception are found in prisoners in pitch-park solitary confinement, or in people in sensory deprivation chambers. Both of these situations quickly lead to hallucinations.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“Each cell sends electrical pulses to other cells, up to hundreds of times per second. If you represented each of these trillions and trillions of pulses in your brain by a single photon of light, the combined output would be blinding.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

“But all this doesn´t happen effortlessly, as demonstrated by patients who surgically recover their eyesight after decades of blindless: they do not suddenly see the world, but instead must learn to see again. At first the world is buzzing, jangling barrage of shapes and colors, and even when the optics of their eyes are perfectly functional, their brain must learn how to interpret the data coming in.”
― David Eagleman, quote from Incognito: The Secret Lives of the Brain

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Popular quotes

“That there are such devices as firearms, as easy to operate as cigarette lighters and as cheap as toasters, capable at anybody's whim of killing Father or Fats or Abraham Lincoln or John Lennon or Martin Luther King, Jr., or a woman pushing a baby carriage, should be proof enough for anybody that being alive is a crock of shit.”
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“Hello, Lucy. Do you name all your weapons, Grunthor?”

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“Yep.”

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“No,” said Rhapsody and Achmed in unison.”
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